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E320 E323 E324 Excavator Undercarriage Parts Alloy Steel Track Carrier Roller

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E320 E323 E324 Excavator Undercarriage Parts Alloy Steel Track Carrier Roller

Brand Name : CAT

Service Life : 3000+ hours under normal working conditions

Static Load Capacity : 25–30 kN

MOQ : 1

Payment Terms : L/C,D/A,D/P,T/T

Price : $45 - $50

Compatible Models : E320/E323/E324

Shaft Material : 45# steel with induction hardening

Seal Type : Double lip oil seal

Supply Ability : 999

Bearing Type : Double-row tapered roller bearing

Delivery Time : 3-7 work days

Surface Hardness : HRC 55–60 (quenched and tempered)

Product Type : Track carrier roller (top roller)

Model Number : E320, E323,E324

Packaging Details : Carton Box

Place of Origin : China

Roller Body Material : High-strength alloy steel (40MnB)

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Excavator Undercarriage Parts Track Carrier Roller for E320 E323 E324

Optimize the stability and track performance of your CAT excavator with this premium carrier roller (top roller), engineered as a direct OEM replacement for CAT E320, E323, and E324 series excavators. As a critical undercarriage component, this roller supports the upper track chain, prevents sagging, and ensures smooth, efficient track movement during operation. Built with hardened alloy steel and precision-sealed bearings, it withstands heavy loads, impact, and abrasive conditions, extending service life and minimizing downtime. Every roller undergoes rigorous quality testing to guarantee consistent performance in construction, mining, and earthmoving applications.

Core Selling Points

✅ Exact OEM Fit for CAT E320/E323/E324

Precision-machined to match the original CAT dimensions, shaft length, and bearing configuration. It installs seamlessly without modifications, ensuring perfect track alignment and optimal undercarriage performance.

✅ Heavy-Duty Industrial Construction

Forged from high-grade alloy steel with deep heat treatment, these rollers offer exceptional hardness (HRC 55–60) and wear resistance. The precision-ground surface reduces track wear, while the reinforced housing resists impact and deformation.

✅ Advanced Sealing & Lubrication

Equipped with a double lip seal system and factory-greased bearings, these rollers prevent water, dust, and debris ingress, eliminating premature bearing failure. The hermetic seal maintains lubrication even in wet or muddy conditions.

✅ Long-Lasting & Cost-Effective

Engineered to outlast standard aftermarket rollers by 2–3 times, reducing replacement frequency and lowering maintenance costs. Each unit is backed by a 6-month manufacturer warranty.

Category	Parameter	Specification
General Information	Product Type	Track carrier roller (top roller)
	Compatible Models	CAT E320, E323, E324 Excavators
	Condition	New aftermarket unit, 100% tested
	Certification	ISO 9001:2015 quality certified
	Warranty	6-month comprehensive manufacturer warranty
Construction & Material	Roller Body Material	High-strength alloy steel (40MnB)
	Surface Hardness	HRC 55–60 (quenched and tempered)
	Shaft Material	45# steel with induction hardening
	Bearing Type	Double-row tapered roller bearing
	Seal Type	Double lip oil seal
	Grease Type	High-temperature lithium-based grease
Performance Parameters	Static Load Capacity	25–30 kN
	Operating Temperature Range	-30°C to 80°C
	Maximum Operating Speed	6 km/h
	Service Life	3000+ hours under normal working conditions
Installation Specifications	Mounting Type	Direct bolt-on replacement
	Center Shaft Length	Matches OEM specifications
	Outer Diameter	Matches CAT E320/E323/E324 OEM dimensions
	Net Weight	~8–10 kg per unit

E320 E323 E324 Excavator Undercarriage Parts Alloy Steel Track Carrier Roller

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